Benjamín Pérez > Guerrero Olivos > Santiago, Chile > Lawyer Profile

Guerrero Olivos
LAS CONDES 7550011
Benjamín Pérez photo


Partner with Guerrero Olivos that co-heads the water law department and member of the mining and environment areas of practice. He specializes in mining project development, due diligence, M&A in the mining industry and mining litigation. His focus in the environmental practice includes regulatory and environmental issues in the development of all kinds of projects and all water law related matters.


In the academic field, he is Professor of Mining Law at the Universidad Nacional Andrés Bello and is a regular speaker at mining at water law and mining seminars such as the Mining Law Session at Universidad de Chile. He also is the President of the Chilean-Australian Chamber of Commerce’s mining committee since 2018.

Benjamín has made several contributions to international publications, the most recent one was the article named “Environmental Limitations to Water Law Rights”, published in the minutes of the II Water Law Sessions of Universidad de Chile.


Spanish and English


Law, Pontificia Universidad Católica de Chile (2008).
Master of Laws (LL.M.) in Regulatory Law, Pontificia Universidad Católica de Chile (2013).
Academy of American and International Law of Southwestern Institute for International and Comparative Law, Texas USA (2011).

Lawyer Rankings

Chile > Energy and natural resources > Mining

(Next Generation Partners)

Benjamín PérezGuerrero Olivos

Guerrero Olivos‘ ‘knowledge of mining law and everything associated with mining allows clients to carry out mining activities successfully‘. Advising on the full spectrum of mining issues, the full-service team is experienced in several types of natural resources, and metallic and non-metallic mineral mining – including copper, gold, lithium, saltpetre, iodine, potassium and limestone; its scope of work ranges from regulatory work, to high-value project acquisitions, financing, joint ventures and M&A transactions. The practice is led by Pedro Lyon, who focuses on mining-related project development, project finance, project development-related corporate and financing structuring, mining agreements, regulatory matters and environmental permits; and Marco Zavala, who advises mining companies and investment funds on both the transactional side and regulatory mining issues. Benjamín Pérez, who was made partner in early 2020, is the current President of the Chilean-Australian Chamber of Commerce’s Mining Committee.

Chile > Environment

(Next Generation Partners)

Benjamín PérezGuerrero Olivos

The 13-strong practice at full-service firm Guerrero Olivos acts on a broad range of environment matters, with particular focus on M&A-related environmental work, litigation and regulatory compliance. It also fields specialists in wetlands, waste management, water rights and the environmental aspects of project finance and development. Among the firm’s several experienced partners, Clemente Pérez is consistently involved in major projects; Martín Santa María specialises in the environmental assessments of projects, environmental litigation, and urban planning; Benjamín Pérez is a water law expert; and Sebastián Abogabir is an ‘extraordinarily complete adviser‘ whose practice encompasses energy, natural resources, water law and environmental matters. Within the associate pool, Francisca Pellegrini advises on the environmental aspects of project finance and M&A, and project-related environmental assessments, and Antonia Ibarra is also a key team member.

Chile > Projects and infrastructure

Recent activity for the 16-strong practice at full-service firm Guerrero Olivos focuses on project finance, infrastructure projects, power plants, and LNG regasification terminals. Representative expertise covers due diligence processes, credit agreements and special purpose vehicle incorporations. The practice also houses specialists in collateral packages, along with energy supply matters, and EPC, O&M, and build-operate-transfer (BOT) agreements. The practice is co-headed by Clemente Pérez, a specialist in renewable energy and infrastructure projects, public works concessions and regulatory law; energy projects specialist Sebastián Abogabir; Miguel Coddou, who acts for international lenders; mining and venture capital partner Pedro Lyon; and Benjamín Pérez, who is active in mining-related activities. Among the firm’s associates, senior Benjamín Novoa‘s practice includes project finance, while Francisca Pellegrini acts for energy developers and lenders. Raised to partner in February 2022, Felipe Frühling assists with project finance, developments and acquisitions.